/// <summary>
/// Reads one item at a time from the EDI stream async.
/// Use for interchanges containing multiple transactions.
/// The sample file contains two purchase orders - a valid one and an invalid one.
/// </summary>
public static async void ReadPurchaseOrdersOneAtATimeAsync()
{
Debug.WriteLine("******************************");
Debug.WriteLine(MethodBase.GetCurrentMethod().Name);
Debug.WriteLine("******************************");
// 1. Load to a stream
Stream ediStream = File.OpenRead(Directory.GetCurrentDirectory() + @"\..\..\..\Files.X12\PurchaseOrders.txt");
// 2. Read item by item, that is each call to Read()
// brings back either a control segment (ISA, GS, GE or IEA) or a transaction
using (var ediReader = new X12Reader(ediStream, TemplateFactory.FullTemplateFactory))
{
while (await ediReader.ReadAsync())
{
// 3. Check if current item is purchase order
var po = ediReader.Item as TS850;
if (po != null)
{
// 4. Validate it
MessageErrorContext errorContext;
if (po.IsValid(out errorContext))
{
// The purchase order is valid, process it downstream
}
else
{
// The purchase order is invalid
Debug.WriteLine("Message {0} with control number {1} is invalid with errors:", errorContext.Name,
errorContext.ControlNumber);
// List all error messages
var errors = errorContext.Flatten();
foreach (var error in errors)
{
Debug.WriteLine(error);
}
}
}
}
}
}
/// <summary>
/// Reads one item at a time from the EDI stream async.
/// Use for interchanges containing multiple transactions.
/// The sample file contains two purchase orders - a valid one and an invalid one.
/// </summary>
public static async void Run()
{
Debug.WriteLine("******************************");
Debug.WriteLine(MethodBase.GetCurrentMethod().Name);
Debug.WriteLine("******************************");
// 1. Load to a stream
Stream ediStream = File.OpenRead(Directory.GetCurrentDirectory() + @"\..\..\..\Files\X12\PurchaseOrders.txt");
// 2. Read item by item, that is each call to Read()
// brings back either a control segment (ISA, GS, GE or IEA) or a transaction
using (var ediReader = new X12Reader(ediStream, "EdiFabric.Templates.X12"))
{
while (await ediReader.ReadAsync())
{
// 3. Check if current item is purchase order
var po = ediReader.Item as TS850;
if (po != null)
{
ProcessPurchaseOrder(ediReader.CurrentInterchangeHeader, ediReader.CurrentGroupHeader, po);
}
}
}
}